Add Powerline fonts

pkgs/data/fonts/powerline-fonts/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation {
+  name = "powerline-fonts-2014-12-27";
+
+  src = fetchFromGitHub {
+    owner = "powerline";
+    repo = "fonts";
+    rev = "39c99c02652f25290b64e24a7e9a7cfb8ce89a3e";
+    sha256 = "9c83a30f36dc980582c0a079bd2896f95d19e1cb0ba5afbd8cae936c944256dd";
+  };
+
+  buildPhase = "true";
+
+  installPhase =
+    ''
+      mkdir -p $out/share/fonts/opentype
+      cp -v */*.otf $out/share/fonts/opentype
+
+      mkdir -p $out/share/fonts/truetype
+      cp -v */*.ttf $out/share/fonts/truetype
+    '';
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/powerline/fonts;
+    description = "Patched fonts for Powerline users.";
+    longDescription = ''
+      Pre-patched and adjusted fonts for usage with the Powerline plugin.
+    '';
+    license = "asl20 free ofl";
+    platforms = platforms.all;
+    maintainer = with maintainers; [ malyn ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -9890,6 +9890,8 @@ let
 
   posix_man_pages = callPackage ../data/documentation/man-pages-posix { };
 
+  powerline-fonts = callPackage ../data/fonts/powerline-fonts { };
+
   proggyfonts = callPackage ../data/fonts/proggyfonts { };
 
   pthreadmanpages = callPackage ../data/documentation/pthread-man-pages {